William Underwood

📍 Phoenix, AZ: #1,944 of 6,660 inventorsTop 30%

🗺 Arizona: #10,057 of 32,909 inventorsTop 35%

Overall (All Time): #1,586,477 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7193694	Method for grading gemstone cut and symmetry	—	2007-03-20
6155318	Adjustable portable saw support	—	2000-12-05
5836351	Vent device	—	1998-11-17